4. Find the sum of interior angles of a polygon with a) 10 sides b) 7
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Answer:
(a) The sum of the interior angles of a regular polygon of 10 sides = 10 × [180 - (360/10)]
= 10(180 – 36)
= 10 × 144 = 1440°
(b) The sum of the interior angles of a regular polygon of 7 sides = (7 - 2) × 180
= 5 × 180
= 900°
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Answer:
10*[180 - (360/10)] = 10(180–36) = 10*144 = 1440 deg.
7*[ 180-(360/7)] = 7(180-51.42) = 900
Step-by-step explanation:
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